Domino Sky — cheap CD keys, compare prices
Is it worth buying?
Reviews are solid (Steam 80%) · The price is well above its low (was €0.99) — worth waiting for a drop or setting an alert Notify me on a drop
About the game
Domino Sky is a physics-based puzzle game in which players place and topple domino pieces to solve increasingly tricky challenges. A free-build mode provides an open sandbox alongside the puzzles. Developed and self-published by russpuppy in 2016.
Did you know?
Domino Sky includes a free build mode alongside its puzzle levels, letting players set up domino chains without any time pressure or predefined goal.
Best price today
€3.99
· · check “Region” on the seller’s page
Steam · Official store · Steam
Global key · check “Region” on the seller’s page
You pay Steam directly · same price as on their site
Notify me when it drops below €3.59
- On Steam
- €3.99
- all-time low
- €0.992 Sept
- Average low, 5 mo.
- €2.27
The cheapest Domino Sky key right now costs €3.99 at Steam. (Prices as of )
Offers 1 · PC · from €3.99
Prices as of
No offers match these filters — try widening them.
Listed seller price shown — payment fees may vary by method.
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Lowest official since we started tracking (Aug 2026)
€0.99
Sept 2026
Monthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €1.19 | — |
| Sept 2026 | €0.99 | — |
| Aug 2026 | €3.99 | — |
| Jul 2026 | €1.19 | — |
| Jun 2026 | €3.99 | — |
Lowest in-stock price per month from our price history; the current month is the low so far.
How to activate your key
- Steam key — open the Steam client → Games → Activate a Product on Steam → enter the key. Stores with this activation: Steam
System requirements
| Minimum | |
|---|---|
| OS | Windows 7+ |
| Processor | Dual Core Processor |
| Memory | 2 GB RAM |
| DirectX | Version 9.0c |
| Storage | 400 MB available space |
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About this game — FAQ
Can Domino Sky be played single-player?
Yes, Domino Sky is a single-player game.
What languages does Domino Sky support?
Domino Sky is available in: English.
FAQ
Where is the cheapest place to buy a Domino Sky key?
The cheapest Domino Sky key is currently sold by Steam for €3.99. The lowest price we have ever recorded for this game: €0.99.
How much does Domino Sky cost?
Domino Sky currently costs from €3.99 — the cheapest offer across the stores we track.
Is Steam an official store or a keyshop?
Steam is an official store — keys come directly from the publisher or an authorized distributor.
Are keys from these stores legal?
Buying is legal — keys come from the grey market, so a small deactivation risk exists. So before paying, check the seller's buyer protection.
Which key region should I pick?
Global activates everywhere. Regional keys (Europe, North America, RU-CIS) only work on accounts from that region — use the Region filter to match your account.
What is an activation platform?
The service where the key activates — Steam, GOG, Epic or the publisher's platform. A key for one platform won't work on another, hence the separate filter.
What's the difference between editions?
Standard is the base game; Deluxe usually adds an expansion or bonus content. The edition filter shows exactly that variant, with no mixed prices.